(Celeste Thomas @MAMAPIE via AP) In this image made from video provided by Celeste Thomas @MAMAPIE, a building is on fire in London, Wednesday, June 14, 2017.

LONDON (MEREDITH/AP) -- Firefighters battled a massive fire and evacuated residents from a burning 27-floor high-rise apartment building in west London early Wednesday morning.

London's Metropolitan Police said a number of people were being treated for a range of injuries, but did not provide more specifics. London Mayor Sadiq Khan said on Twitter that a major incident had been declared.